E1M4 - Underhalls
With passage to the castle closed off, Logan must make his way through the sewers of Tamirtania to proceed. Who knows what lurks beneath the city streets?
Sectors from the original "Underhalls" level were reused for this level together with the following changes:
-Added new sectors.
-Added waterdrip effects.
-Added more eels, gillbeasts, rats, bats, and spiders.
-Added more secrets.
You can download it at http://www.freeminded.de/index.php?section=maps&id=388